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// Copyright 2025 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/array.hpp>
#include <boost/config.hpp>
#include <boost/config/pragma_message.hpp>
#include <boost/config/workaround.hpp>
#include <cstddef>
#if defined(BOOST_NO_CXX11_CONSTEXPR)
BOOST_PRAGMA_MESSAGE("Test skipped because BOOST_NO_CXX11_CONSTEXPR is defined")
#else
#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
template<class T, std::size_t N> void test1()
{
constexpr boost::array<T, N> a = {};
STATIC_ASSERT( a.size() == N );
STATIC_ASSERT( a.empty() == (N == 0) );
STATIC_ASSERT( a.max_size() == N );
}
template<class T, std::size_t N> void test2()
{
typedef boost::array<T, N> A;
STATIC_ASSERT( A().size() == N );
STATIC_ASSERT( A().empty() == (N == 0) );
STATIC_ASSERT( A().max_size() == N );
}
// the functions are static, which deviates from the standard
template<class T, std::size_t N> void test3()
{
typedef boost::array<T, N> A;
STATIC_ASSERT( A::size() == N );
STATIC_ASSERT( A::empty() == (N == 0) );
STATIC_ASSERT( A::max_size() == N );
STATIC_ASSERT( A::static_size == N );
}
int main()
{
test1<int, 0>();
test1<int, 1>();
test1<int, 7>();
test2<int, 0>();
test2<int, 1>();
test2<int, 7>();
test3<int, 0>();
test3<int, 1>();
test3<int, 7>();
}
#endif
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